Related:

• There are things that are known and things that are unknown.
  In between are doors. -- William Blake...
• Beverly: "I don't want to be known as the 'Dancing Doctor'.
  ..again." -- "Data's Day", Stardate unknow...
• Too early seen unknown, and known too late! -- William Shakespeare (1564-1616), Romeo and Juliet -- Act i, Sc.
  5...
• plokta /plok't*/ v. [acronym: Press Lots Of Keys To Abort] To press random keys in an attempt to get some response from the system.
  One might plokta when the abort procedure for a program is not known, or when trying to figure out if the system is just sluggish or really hung....
• Lal: "Wy are they leaving?" Guinan: "Lal, there are some things your father's just going to have to explain to you when he thinks you're ready.
  -- "The Offspring", Stardate unknow...
• My only love sprung from my only hate! Too early seen unknown, and known too late!
  -- William Shakespeare, "Romeo and Julie...
• I believe in grumbling; it is the politest form of fighting known.
• I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence than of the unknown rational efforts of extra-terrestrial intelligence.
  -- Richard Feynma...